metadataURL in Layer WMS about helpdesk HOT 3 CLOSED

<element name="Layer">
<annotation>
<documentation>
Nested list of zero or more map Layers offered by this server.
</documentation>
</annotation>
<complexType>
<sequence>
<element ref="wms:Name" minOccurs="0"/>
<element ref="wms:Title"/>
<element ref="wms:Abstract" minOccurs="0"/>
<element ref="wms:KeywordList" minOccurs="0"/>
<element ref="wms:CRS" minOccurs="0" maxOccurs="unbounded"/>
<element ref="wms:EX_GeographicBoundingBox" minOccurs="0"/>
<element ref="wms:BoundingBox" minOccurs="0" maxOccurs="unbounded"/>
<element ref="wms:Dimension" minOccurs="0" maxOccurs="unbounded"/>
<element ref="wms:Attribution" minOccurs="0"/>
<element ref="wms:AuthorityURL" minOccurs="0" maxOccurs="unbounded"/>
<element ref="wms:Identifier" minOccurs="0" maxOccurs="unbounded"/>
<element ref="wms:MetadataURL" minOccurs="0" maxOccurs="unbounded"/>
<element ref="wms:DataURL" minOccurs="0" maxOccurs="unbounded"/>
<element ref="wms:FeatureListURL" minOccurs="0" maxOccurs="unbounded"/>
<element ref="wms:Style" minOccurs="0" maxOccurs="unbounded"/>
<element ref="wms:MinScaleDenominator" minOccurs="0"/>
<element ref="wms:MaxScaleDenominator" minOccurs="0"/>
<element ref="wms:Layer" minOccurs="0" maxOccurs="unbounded"/>
</sequence>
<attribute name="queryable" type="boolean" default="0"/>
<attribute name="cascaded" type="nonNegativeInteger"/>
<attribute name="opaque" type="boolean" default="0"/>
<attribute name="noSubsets" type="boolean" default="0"/>
<attribute name="fixedWidth" type="nonNegativeInteger"/>
<attribute name="fixedHeight" type="nonNegativeInteger"/>
</complexType>
</element>

<element name="MetadataURL">
<annotation>
<documentation>
A Map Server may use zero or more MetadataURL elements to offer
detailed, standardized metadata about the data underneath a
particular layer. The type attribute indicates the standard to which
the metadata complies. The format element indicates how the metadata is structured.
</documentation>
</annotation>
<complexType>
<sequence>
<element ref="wms:Format"/>
<element ref="wms:OnlineResource"/>
</sequence>
<attribute name="type" type="NMTOKEN" use="required" />
</complexType>
</element>